Fix angular-cli-middleware so it actually passes the stdout back to the host process in real time (not delayed until process exits)

SteveSandersonMS · SteveSandersonMS · commit 1634bbf14c45 · 2017-10-20T13:29:24.000+01:00
diff --git a/src/Microsoft.AspNetCore.SpaServices/Content/Node/angular-cli-middleware.js b/src/Microsoft.AspNetCore.SpaServices/Content/Node/angular-cli-middleware.js
@@ -49,13 +49,14 @@ module.exports = {
 function waitForLine(stream, regex) {
     return new Promise(function (resolve, reject) {
         var lineReader = readline.createInterface({ input: stream });
-        lineReader.on('line', function (line) {
+        var listener = function (line) {
             var matches = regex.exec(line);
             if (matches) {
-                lineReader.close();
+                lineReader.removeListener('line', listener);
                 resolve(matches);
             }
-        });
+        };
+        lineReader.addListener('line', listener);
     });
 }
 
